Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1998-03-11
2000-08-15
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429 60, 429161, 429206, 429208, 429241, H01M 464, H01M 470, H01M 226, H01M 1030
Patent
active
06103424&
ABSTRACT:
A rectangular battery having an electrode group which is inserted in a battery case having an airtight structure. The electrode group is formed by alternately stacking positive electrodes and negative electrodes via separators. The battery case is rectangular had has a closed bottom and an open part that is airtightly sealed by a cover. The outermost electrodes, which are located on both faces of the electrode group, are coated with an active material on a surface of a core. Furthermore, the outermost electrodes have the same polarity and the cores thereof directly contact an inside surface of the outer battery case. In one embodiment, the capacity of the outermost electrodes is smaller than the capacity of the inwardly disposed electrodes of the same polarity.
REFERENCES:
patent: 4307161 (1981-12-01), Brown
patent: 5721073 (1998-02-01), Matumura et al.
patent: 5773163 (1998-06-01), Suzuki et al.
Hamamatsu Takeo
Inoue Masao
Ise Tadashi
Kometani Satoru
Kuroda Yasushi
Crepeau Jonathan
Nuzzolillo Maria
Sanyo Electric Co,. Ltd.
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